]]>https://www.eevblog.com/2016/11/30/eevblog-950-nixie-tube-display-project-part-2/feed/40:00:01Some more info and experiments on driving Nixie tubes.
Open circuit cathode voltage, open collector vs totem pole / push-pull drivers, NIxie voltage drop and pre-biasing, and using the ULN2003 with zener clamping.
Forum HERE
Some more info and experiments on driving Nixie tubes.
Open circuit cathode voltage, open collector vs totem pole / push-pull drivers, NIxie voltage drop and pre-biasing, and using the ULN2003 with zener clamping.
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/11/30/eevblog-950-nixie-tube-display-project-part-2/https://www.eevblog.com/podpress_trac/feed/8525/0/EEVblog950-NixieTubeDisplay-Part2-640x360.m4vEEVblog #949 – World’s First Clamshell Laptop Teardown!http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/GqJk4-IyIAc/
https://www.eevblog.com/2016/11/29/eevblog-949-worlds-first-clamshell-laptop-teardown/#commentsTue, 29 Nov 2016 12:15:55 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8513The Dulmont Magnum “Kookaburra” from 1983 is the only laptop to have even been designed and made in Australia, as well as being the world’s first “clamshell” laptop design.
Dave tears down this obscure retro classic based on the equally rare 80186.

]]>https://www.eevblog.com/2016/11/29/eevblog-949-worlds-first-clamshell-laptop-teardown/feed/20:00:01The Dulmont Magnum “Kookaburra” from 1983 is the only laptop to have even been designed and made in Australia, as well as being the world’s first “clamshell” laptop design.
Dave tears down this obscure retro classic bas[...]The Dulmont Magnum “Kookaburra” from 1983 is the only laptop to have even been designed and made in Australia, as well as being the world’s first “clamshell” laptop design.
Dave tears down this obscure retro classic based on the equally rare 80186.
Download ROM images HERE
Forum HERE
Hires photos:
EEVblog, TeardownsDavid L. Jonesnonohttps://www.eevblog.com/2016/11/29/eevblog-949-worlds-first-clamshell-laptop-teardown/https://www.eevblog.com/podpress_trac/feed/8513/0/EEVblog949-DulmontMagnumLaptop-640x360.m4vEEVblog #948 – Nixie Tube Display Project – Part 1http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/4AP2S9Y3DQg/
https://www.eevblog.com/2016/11/26/eevblog-948-nixie-tube-display-project-part-1/#commentsSat, 26 Nov 2016 00:41:17 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8497Part 1 of an internet connected Nixie tube counter/clock display project.
What are Nixie Tubes? How do they work? How do you drive them?
Selecting a suitable driving solution and parametric searching.
Forum HERE

]]>https://www.eevblog.com/2016/11/22/eevblog-946-apple-raspberry-pi-cluster-part-2/feed/20:00:01Part 2 of building the Raspberry Pi computer cluster.
Dave strips down an old Apple G5 PowerMac to use as the enclosure.
Forum HERE
Part 2 of building the Raspberry Pi computer cluster.
Dave strips down an old Apple G5 PowerMac to use as the enclosure.
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/11/22/eevblog-946-apple-raspberry-pi-cluster-part-2/https://www.eevblog.com/podpress_trac/feed/8479/0/EEVblog946-ApplePiCluster-Part2-640x360.m4vEEVblog #945 – Thermal Powered Smartwatches Are GIMMICKS!http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/lT92gcGQp78/
https://www.eevblog.com/2016/11/20/eevblog-945-thermal-powered-smartwatches-are-gimmicks/#commentsSat, 19 Nov 2016 22:21:48 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8466Thermal powered smartwates are nothing more than gimmicks.
Dave runs the numbers on the Matrix Powerwatch from Indieigogo.
Also some exercise testing shows up an unusual and undesired effect when using thermoelectric generators on your wrist.

]]>https://www.eevblog.com/2016/11/20/eevblog-945-thermal-powered-smartwatches-are-gimmicks/feed/10:00:01Thermal powered smartwates are nothing more than gimmicks.
Dave runs the numbers on the Matrix Powerwatch from Indieigogo.
Also some exercise testing shows up an unusual and undesired effect when using thermoelectric generators on your wrist.
Thunde[...]Thermal powered smartwates are nothing more than gimmicks.
Dave runs the numbers on the Matrix Powerwatch from Indieigogo.
Also some exercise testing shows up an unusual and undesired effect when using thermoelectric generators on your wrist.
Thunderf00t’s video HERE
Bluetooth Power Consumption Application Note HERE
The Peltier effect TEG used in the experiment HERE
The Wurth Energy Harvesting Kit HERE
Forum HERE
Debunking, EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/11/20/eevblog-945-thermal-powered-smartwatches-are-gimmicks/https://www.eevblog.com/podpress_trac/feed/8466/0/EEVBlog945-TEGsmartwatch-640x360.m4vEEVblog #944 – Has the Future Arrived Yet? – Part 2http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/-m3qXDTvmEI/
https://www.eevblog.com/2016/11/17/eevblog-944-has-the-future-arrived-yet-part-2/#respondThu, 17 Nov 2016 04:02:33 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8452Wayback Wednesday PART 2
Are we living in the future as foreseen 30 years ago?
Dave goes back to 1986 and takes a look at the Beyond 2000 books of the TV series of the same name and looks at what has come true and what hasn’t.
What predictions did they get right?
And what technologies turned out to be complete flops?
Forum HERE

]]>https://www.eevblog.com/2016/11/17/eevblog-944-has-the-future-arrived-yet-part-2/feed/00:00:01Wayback Wednesday PART 2
Are we living in the future as foreseen 30 years ago?
Dave goes back to 1986 and takes a look at the Beyond 2000 books of the TV series of the same name and looks at what has come true and what hasn’t.
What predictions[...]Wayback Wednesday PART 2
Are we living in the future as foreseen 30 years ago?
Dave goes back to 1986 and takes a look at the Beyond 2000 books of the TV series of the same name and looks at what has come true and what hasn’t.
What predictions did they get right?
And what technologies turned out to be complete flops?
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/11/17/eevblog-944-has-the-future-arrived-yet-part-2/https://www.eevblog.com/podpress_trac/feed/8452/0/EEVblog944-TheFuture-Part2-640x360.m4vEEVblog #944 – Has the Future Arrived Yet? – Part 1http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/w4R3HuIh2Vc/
https://www.eevblog.com/2016/11/17/eevblog-944-has-the-future-arrived-yet-part-1/#commentsThu, 17 Nov 2016 03:56:45 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8449Wayback Wednesday
Are we living in the future as foreseen 30 years ago?
Dave goes back to 1986 and takes a look at the Beyond 2000 book of the TV series of the same name and looks at what has come true and what hasn’t.
What predictions did they get right?
And what technologies turned out to be complete flops?
Forum HERE

]]>https://www.eevblog.com/2016/11/17/eevblog-944-has-the-future-arrived-yet-part-1/feed/20:00:01Wayback Wednesday
Are we living in the future as foreseen 30 years ago?
Dave goes back to 1986 and takes a look at the Beyond 2000 book of the TV series of the same name and looks at what has come true and what hasn’t.
What predictions did the[...]Wayback Wednesday
Are we living in the future as foreseen 30 years ago?
Dave goes back to 1986 and takes a look at the Beyond 2000 book of the TV series of the same name and looks at what has come true and what hasn’t.
What predictions did they get right?
And what technologies turned out to be complete flops?
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/11/17/eevblog-944-has-the-future-arrived-yet-part-1/https://www.eevblog.com/podpress_trac/feed/8449/0/EEVblog944-TheFuturePart1-640x360.m4vEEVblog #943 – How EEVblog Does Video Editinghttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/alFoRhpMZ8w/
https://www.eevblog.com/2016/11/15/eevblog-943-how-eevblog-does-video-editing/#respondTue, 15 Nov 2016 07:06:18 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8433Dave takes you step-by-step through his video editing, rendering, and transcoding process for an EEVblog video using Sony Vegas / MovieStudio & Handbrake x264.
Note this is NOT a tutorial, it’s a mostly live walkthrough of editing an actual EEVblog video, so lots of waffle.
The gear:
Aless 520USB Studio Monitor Speakers
Samson C01U USB Microphone
Samson SR850 Studio Headphones
Forum HERE

]]>https://www.eevblog.com/2016/11/15/eevblog-942-mystery-monday-teardown/feed/20:00:01A mystery teardown taken from Dave’s mailbag submission shelf.
What will it be?
Forum HERE
A mystery teardown taken from Dave’s mailbag submission shelf.
What will it be?
Forum HERE
EEVblog, TeardownsDavid L. Jonesnonohttps://www.eevblog.com/2016/11/15/eevblog-942-mystery-monday-teardown/https://www.eevblog.com/podpress_trac/feed/8430/0/EEVblog942-MysteryMondayTeardown-640x360.m4vEEVblog #941 – The Amazing Schmitt Triggerhttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/PuKmIYIEBHs/
https://www.eevblog.com/2016/11/12/eevblog-941-the-amazing-schmitt-trigger/#commentsFri, 11 Nov 2016 23:49:18 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8415Fundamentals Friday
What is a Schmitt trigger and how does it work?
What is hysteresis?
And how do they fix two common problems in electronics, namely slow slew rate signals on CMOS digital chip inputs causing oscillation, and noise on comparator inputs.
The issues are demonstrated first on the breadboard, then the whiteboard explanation, and then the hysteresis fix is added and demonstrated.
And how are Schmitt Triggers physically implemented in CMOS logic?
Forum HERE

]]>https://www.eevblog.com/2016/11/12/eevblog-941-the-amazing-schmitt-trigger/feed/40:00:01Fundamentals Friday
What is a Schmitt trigger and how does it work?
What is hysteresis?
And how do they fix two common problems in electronics, namely slow slew rate signals on CMOS digital chip inputs causing oscillation, and noise on comparator in[...]Fundamentals Friday
What is a Schmitt trigger and how does it work?
What is hysteresis?
And how do they fix two common problems in electronics, namely slow slew rate signals on CMOS digital chip inputs causing oscillation, and noise on comparator inputs.
The issues are demonstrated first on the breadboard, then the whiteboard explanation, and then the hysteresis fix is added and demonstrated.
And how are Schmitt Triggers physically implemented in CMOS logic?
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/11/12/eevblog-941-the-amazing-schmitt-trigger/https://www.eevblog.com/podpress_trac/feed/8415/0/EEVblog941-SchmittTrigger-640x360.m4vEEVsmoke #2 – Magic Smoke Captured!http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/rFACx9-17JI/
https://www.eevblog.com/2016/11/07/eevsmoke-2-magic-smoke-captured/#commentsSun, 06 Nov 2016 22:42:51 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8395Magic component smoke captured!
Email magic smoke pictures to eevblog+smoke@gmail.com
Forum HERE

]]>https://www.eevblog.com/2016/10/31/eevblog-938-tesla-solar-roofs-are-they-viable/feed/40:00:01Solar Freakin’ Roofs!
How viable is Tesla’s Solar Roof concept?
What did Elon Musk not mention at the product launch?
UPDATE: Yes, the press kit mentions they all have identical looking solar and non-solar tiles to chose from for shaded/[...]Solar Freakin’ Roofs!
How viable is Tesla’s Solar Roof concept?
What did Elon Musk not mention at the product launch?
UPDATE: Yes, the press kit mentions they all have identical looking solar and non-solar tiles to chose from for shaded/inefficent areas.
How efficient are they?
Who much energy is required to manufacture them?
What about optimum angle to the sun?
Energy required for existing roof construction HERE
International Energy Agency on Efficiency HERE
US Government on PV Energy Payback HERE
List of solar single companies that have gone bust HERE
Dow Chemical Solar shingles goes out of business HERE
Solar shingle efficiency HERE
Sun position and angle/elevation calculator HERE
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/10/31/eevblog-938-tesla-solar-roofs-are-they-viable/https://www.eevblog.com/podpress_trac/feed/8353/0/EEVblog938-TeslaSolarRoofs-640x360.m4vEEVblog #937 – Retro Canon Still Camera Teardown!http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/bVGBdBtnjE8/
https://www.eevblog.com/2016/10/27/eevblog-937-retro-canon-still-camera-teardown/#commentsWed, 26 Oct 2016 22:37:38 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8336How did you take “digital” photos in the 1980’s and early 90’s?
With an analog still video camera that stored images on a PAL format 2″ video floppy disks, that’s how!
Enter an age before SD cards, flash memory, JPG files, and USB!

]]>https://www.eevblog.com/2016/10/18/eevblog-935-solar-roadways-installation-busted/feed/30:00:01It’s finally here! The first Solar Roadways installation happened in Sandpoint Idaho after $3.9M in funding and 6.5 years of development. Does it work? Is it practical?
Once again, Dave runs the numbers…
Forum HERE
It’s finally here! The first Solar Roadways installation happened in Sandpoint Idaho after $3.9M in funding and 6.5 years of development. Does it work? Is it practical?
Once again, Dave runs the numbers…
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/10/18/eevblog-935-solar-roadways-installation-busted/https://www.eevblog.com/podpress_trac/feed/8289/0/EEVblog935-SolarRoadwaysInstall-640x360.m4vEEVblog #934 – Raspberry Pi Supercomputer Cluster PART 1http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/5CmMienSqAY/
https://www.eevblog.com/2016/10/15/eevblog-934-raspberry-pi-supercomputer-cluster-part-1/#commentsSat, 15 Oct 2016 00:53:16 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8279Dave sketches up an idea for a more integrated Raspberry Pi supercomputer cluster with integrated ethernet and power.
Forum HERE

]]>https://www.eevblog.com/2016/10/15/eevblog-934-raspberry-pi-supercomputer-cluster-part-1/feed/10:00:01Dave sketches up an idea for a more integrated Raspberry Pi supercomputer cluster with integrated ethernet and power.
Forum HERE
Dave sketches up an idea for a more integrated Raspberry Pi supercomputer cluster with integrated ethernet and power.
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/10/15/eevblog-934-raspberry-pi-supercomputer-cluster-part-1/https://www.eevblog.com/podpress_trac/feed/8279/0/EEVblog934-RaspberryPiSupercomputerPart1-640x360.m4vEEVblog #933 – Keysight U1272A EMC Issuehttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/Oofzks3552I/
https://www.eevblog.com/2016/10/12/eevblog-933-keysight-u1272a-emc-issue/#commentsWed, 12 Oct 2016 05:51:26 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8268A viewer found an EMC issue with the Keysight U1272A multimeter
Dave confirms both conducted and coupled issues and finds some spooky action at a distance!
Comparisons with other meters confirm they don’t have the same issue.

]]>https://www.eevblog.com/2016/10/12/eevblog-933-keysight-u1272a-emc-issue/feed/20:00:01A viewer found an EMC issue with the Keysight U1272A multimeter
Dave confirms both conducted and coupled issues and finds some spooky action at a distance!
Comparisons with other meters confirm they don’t have the same issue.
Fluke 87 GSM Prob[...]A viewer found an EMC issue with the Keysight U1272A multimeter
Dave confirms both conducted and coupled issues and finds some spooky action at a distance!
Comparisons with other meters confirm they don’t have the same issue.
Fluke 87 GSM Problem VIDEO
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/10/12/eevblog-933-keysight-u1272a-emc-issue/https://www.eevblog.com/podpress_trac/feed/8268/0/EEVblog933-KeysightU1272Aemc-640x360.m4vEEVblog #932 – How Does A HV Differential Probe Work?http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/LPoazl2mGMU/
https://www.eevblog.com/2016/10/11/eevblog-932-how-does-a-hv-differential-probe-work/#commentsTue, 11 Oct 2016 02:34:13 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8265How does a high voltage differential probe work?
How is it safe?
Is it isolated?
A teardown and some reverse engineering of the Lecroy AP031 25MHz HV Differential probe. a.k.a Sapphire Instruments SI-9001

]]>https://www.eevblog.com/2016/10/11/eevblog-932-how-does-a-hv-differential-probe-work/feed/10:00:01How does a high voltage differential probe work?
How is it safe?
Is it isolated?
A teardown and some reverse engineering of the Lecroy AP031 25MHz HV Differential probe. a.k.a Sapphire Instruments SI-9001
Forum HERE
How does a high voltage differential probe work?
How is it safe?
Is it isolated?
A teardown and some reverse engineering of the Lecroy AP031 25MHz HV Differential probe. a.k.a Sapphire Instruments SI-9001
Forum HERE
EEVblog, Oscilloscopes, TeardownsDavid L. Jonesnonohttps://www.eevblog.com/2016/10/11/eevblog-932-how-does-a-hv-differential-probe-work/https://www.eevblog.com/podpress_trac/feed/8265/0/EEVblog932-DiffProbeTeardown-640x360.m4vEEVblog #931 – Designing A Better Multimeter PART 2http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/mVLuo1REBWc/
https://www.eevblog.com/2016/10/06/eevblog-931-designing-a-better-multimeter-part-2/#commentsWed, 05 Oct 2016 21:45:36 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8244Dave takes a look at how to optimise the low burden voltage multimeter design from PART 2 to eliminate some parts.
And explains the µCurrent shunt circuit design and how that applies to this new optimised design.
It’s basically a practical tutorial in circuit design optimisation.
Then another design variation is presented using MOSFET switching that eliminates ones of the HRC fuses and the amplifier, and still lowers the burden voltage yet again!
PART 1 is HERE
Forum HERE

]]>https://www.eevblog.com/2016/10/06/eevblog-931-designing-a-better-multimeter-part-2/feed/30:00:01Dave takes a look at how to optimise the low burden voltage multimeter design from PART 2 to eliminate some parts.
And explains the µCurrent shunt circuit design and how that applies to this new optimised design.
It’s basically a practical tu[...]Dave takes a look at how to optimise the low burden voltage multimeter design from PART 2 to eliminate some parts.
And explains the µCurrent shunt circuit design and how that applies to this new optimised design.
It’s basically a practical tutorial in circuit design optimisation.
Then another design variation is presented using MOSFET switching that eliminates ones of the HRC fuses and the amplifier, and still lowers the burden voltage yet again!
PART 1 is HERE
Forum HERE
EEVblog, MultimetersDavid L. Jonesnonohttps://www.eevblog.com/2016/10/06/eevblog-931-designing-a-better-multimeter-part-2/https://www.eevblog.com/podpress_trac/feed/8244/0/EEVblog931-MultimeterBurdenDesignPart2-640x360.m4vEEVBlog #930 – Mailbaghttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/-UOZ6szdzdc/
https://www.eevblog.com/2016/10/04/eevblog-930-mailbag/#commentsTue, 04 Oct 2016 03:36:25 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8237Mailbag time again.
Forum HERE

]]>https://www.eevblog.com/2016/10/01/eevblog-929-designing-a-better-multimeter/feed/20:00:01Dave looks at the current measurement front end of a typical multimeter and figures out how to redesign it for lower burden voltage.
It’s not quite as easy as you might think, there are comprimises and traps for your players.
And something you[...]Dave looks at the current measurement front end of a typical multimeter and figures out how to redesign it for lower burden voltage.
It’s not quite as easy as you might think, there are comprimises and traps for your players.
And something you probably didn’t know about HRC fuses.
µCurrent ARTICLE
Multimeter fuse and diode protection VIDEO
Multimeter input protection tutorial VIDEO
Forum HERE
EEVblog, MultimetersDavid L. Jonesnonohttps://www.eevblog.com/2016/10/01/eevblog-929-designing-a-better-multimeter/https://www.eevblog.com/podpress_trac/feed/8225/0/EEVblog929-MultimeterBurdenDesign-640x360.m4vEEVblog #928 – Jaycar DMX RGB LED Lights Teardownhttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/3A-k9dP0tng/
https://www.eevblog.com/2016/09/28/eevblog-928-jaycar-dmx-rgb-led-lights-teardown/#commentsWed, 28 Sep 2016 06:27:36 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8219Inside the cheap arse Jaycar SL3467 “Rave” DMX controlled RGB LED disco party lights scored for $1 from the dumpster sale. Did Dave get ripped off?

]]>https://www.eevblog.com/2016/09/27/eevblog-927-insane-jaycar-dumpster-sale/feed/20:00:01The annual Jaycar warehouse sale, take it for a buck or it goes in the dumpster!
UPDATE: Yes, all the hard drives work.
Forum HERE
The annual Jaycar warehouse sale, take it for a buck or it goes in the dumpster!
UPDATE: Yes, all the hard drives work.
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/09/27/eevblog-927-insane-jaycar-dumpster-sale/https://www.eevblog.com/podpress_trac/feed/8215/0/EEVblog927-JaycarDumpsterSale-640x360.m4vEEVblog #926 – Introduction To The Oscilloscopehttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/O0aKxAwK_Ys/
https://www.eevblog.com/2016/09/25/eevblog-926-introduction-to-the-oscilloscope/#commentsSat, 24 Sep 2016 14:05:03 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8205What is an oscilloscope?
What is it useful for?
How is it used?
What is the difference between an old school analog and a modern digital storage oscilloscope?Rigol DS1054Z is a good basic digital scope

]]>https://www.eevblog.com/2016/09/25/eevblog-926-introduction-to-the-oscilloscope/feed/40:00:01What is an oscilloscope?
What is it useful for?
How is it used?
What is the difference between an old school analog and a modern digital storage oscilloscope?
Rigol DS1054Z is a good basic digital scope
How not to blow up your oscilloscope VIDEO
Mys[...]What is an oscilloscope?
What is it useful for?
How is it used?
What is the difference between an old school analog and a modern digital storage oscilloscope?
Rigol DS1054Z is a good basic digital scope
How not to blow up your oscilloscope VIDEO
Mysteries of X1 Oscilloscope Probes Revealed VIDEO
Vertical Confusion VIDEO
AC Trigger Coupling VIDEO
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/09/25/eevblog-926-introduction-to-the-oscilloscope/https://www.eevblog.com/podpress_trac/feed/8205/0/EEVblog926-WhatIsAnOscilloscope-640x360.m4vEEVblog #925 – Panasonic CF-U1 ToughBook Teardownhttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/aKHr9zpRcnU/
https://www.eevblog.com/2016/09/21/eevblog-925-panasonic-cf-u1-toughbook-teardown/#commentsWed, 21 Sep 2016 06:53:48 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8182Teardown of the Panasonic CF-U1 Windows 7 based Toughbook

]]>https://www.eevblog.com/2016/09/12/eevblog-921-open-source-hardware-problems-solved/feed/10:00:01There are a few big problems with Open Source Hardware and usage of the Gear logo. Dave has a new solution, make it more like Creative Commons!
Download the new logo HERE
UPDATE: it would be really cool if there was an auto-generator website like th[...]There are a few big problems with Open Source Hardware and usage of the Gear logo. Dave has a new solution, make it more like Creative Commons!
Download the new logo HERE
UPDATE: it would be really cool if there was an auto-generator website like the Creative Commons Logo. Pick your options and it creates the logo with the letters below the symbol.
Discuss on the forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/09/12/eevblog-921-open-source-hardware-problems-solved/https://www.eevblog.com/podpress_trac/feed/8144/0/EEVblog921-NewOSHWlogo-640x360.m4vEEVblog #920 – World’s First Transistor Watch!http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/H1Cprnv6BKA/
https://www.eevblog.com/2016/09/08/eevblog-920-worlds-first-transistor-watch/#commentsWed, 07 Sep 2016 22:49:28 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8103The Bulova Accutron Spaceview 214, the world’s first transistorised
watch!
Space age technology from the 1960’s, the world’s most accurate watch at the time using a 360Hz tuning fork mechanism. Used by NASA on many space missions including Apollo 11.
See it operate at 1000fps!
All the info HERE
Forum HERE

]]>https://www.eevblog.com/2016/09/08/eevblog-920-worlds-first-transistor-watch/feed/30:00:01The Bulova Accutron Spaceview 214, the world’s first transistorised
watch!
Space age technology from the 1960’s, the world’s most accurate watch at the time using a 360Hz tuning fork mechanism. Used by NASA on many space missions i[...]The Bulova Accutron Spaceview 214, the world’s first transistorised
watch!
Space age technology from the 1960’s, the world’s most accurate watch at the time using a 360Hz tuning fork mechanism. Used by NASA on many space missions including Apollo 11.
See it operate at 1000fps!
All the info HERE
Forum HERE
EEVblogDavid L. Jonesnonohttps://www.eevblog.com/2016/09/08/eevblog-920-worlds-first-transistor-watch/https://www.eevblog.com/podpress_trac/feed/8103/0/EEVblog920-BulovaAccutronWatch-640x360.m4veevBLAB #25 – IEEE Maker Contest Extreme FAIL!http://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/IzhVAHrlWIY/
https://www.eevblog.com/2016/09/05/eevblab-25-ieee-maker-contest-extreme-fail/#commentsMon, 05 Sep 2016 11:44:21 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8094The IEEE Maker contest has turned into a complete joke!
Rampant vote rigging & ridiculous overunity & BS energy harvesting projects.
You won’t believe the latest project!

]]>https://www.eevblog.com/2016/08/27/eevblog-916-work-bench-lighting-from-a-dumpster-lcd-tv/feed/00:00:01How to scrap a dumpster LCD TV to get work bench or architrave lighting.
A look at the LED’s used and the lens system for direct backlit panels.
Also looking at the diffusion and prism layers of typical LCD TV’s.
LED LCD Panel Teardown V[...]How to scrap a dumpster LCD TV to get work bench or architrave lighting.
A look at the LED’s used and the lens system for direct backlit panels.
Also looking at the diffusion and prism layers of typical LCD TV’s.
LED LCD Panel Teardown Video
Forum HERE
EEVblog, TeardownsDavid L. Jonesnonohttps://www.eevblog.com/2016/08/27/eevblog-916-work-bench-lighting-from-a-dumpster-lcd-tv/https://www.eevblog.com/podpress_trac/feed/8026/0/EEVblog916-LED-TV-Into-BenchLighting.mp4EEVblog #915 – Dumpster Dive LCD TV Salvagehttp://feedproxy.google.com/~r/ElectronicsEngineeringVideoBlog/~3/P7gjgTN3agM/
https://www.eevblog.com/2016/08/27/eevblog-915-dumpster-dive-lcd-tv-salvage/#commentsSat, 27 Aug 2016 08:12:46 +0000david@alternatezone.com (David L. Jones)https://www.eevblog.com/?p=8023Turning a dumpster dive 50″ LG LCD TV into a light panel
Fun with a spectrometer, and light meter measurements.
Also looking at the diffusion and prism layers of typical LCD TV’s.